package com.qwz.learn;
/**
* @Description: 聚合对象的接口，定义创建相应迭代器对象的接口
* @Package com.qwz.learn.Aggregate
* @author Qiuwuzhi
* @date 2019/12/26 14:57
* @version V1.0
*/
public abstract class Aggregate {

    public abstract Iterator createIterator();
}
